> > > + renesas,rx-internal-delay: > > > + type: boolean > > > + description: > > > + Enable internal Rx clock delay, typically 1.8ns. > > > > Why this is bool, not delay in ns? > > The TSN is only capable of enabling or disable internal delays, not set > how long the delay is. The documentation states that the delay depends > on the electronic characteristics of the particular board, but states > that they typically are 1.8ns for Rx and 2.0ns for Tx. Do you have a board that actually requires this? In general, we try to have the PHY add the delay, not the MAC. So i would start with hard coding the delay to 0ns, and only implement these properties if you have a board where the PHY cannot add the delay. Andrew
